Zhengzhou Xinzheng International Airport is an international airport serving Zhengzhou, the capital of South Central China’s Henan province. The airport is located in Xinzheng, 37 kilometres southeast of downtown Zhengzhou. It was opened on 28 August 1997, replacing its predecessor, the now-demolished Dongjiao Airport. The airport is the largest international airport in Henan and serves as a main gateway for the province and the central plain area.